diff --git a/manifest.json b/manifest.json
index 527fdb7..4e41c51 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,10 +1,10 @@
 {
   "manifest_version": 4,
   "type": "extension",
-  "name": "LLOneBot v3.19.0",
+  "name": "LLOneBot v3.19.1",
   "slug": "LLOneBot",
   "description": "LiteLoaderQQNT的OneBotApi,不支持商店在线更新",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "icon": "./icon.jpg",
   "authors": [
     {
diff --git a/src/ntqqapi/hook.ts b/src/ntqqapi/hook.ts
index 14c7997..bc6f29e 100644
--- a/src/ntqqapi/hook.ts
+++ b/src/ntqqapi/hook.ts
@@ -231,6 +231,7 @@ async function processGroupEvent(payload: {groupList: Group[]}) {
             if (existGroup) {
 
                 if (existGroup.memberCount > group.memberCount) {
+                    log(`群(${group.groupCode})成员数量减少${existGroup.memberCount} -> ${group.memberCount}`);
                     const oldMembers = existGroup.members;
 
                     await sleep(200);  // 如果请求QQ API的速度过快，通常无法正确拉取到最新的群信息，因此这里人为引入一个延时
@@ -262,7 +263,7 @@ async function processGroupEvent(payload: {groupList: Group[]}) {
 }
 
 // 群列表变动
-registerReceiveHook<{ groupList: Group[], updateType: number }>([ReceiveCmdS.GROUPS, ReceiveCmdS.GROUPS_UNIX], (payload) => {
+registerReceiveHook<{ groupList: Group[], updateType: number }>(process.platform == "win32" ? ReceiveCmdS.GROUPS : ReceiveCmdS.GROUPS_UNIX, (payload) => {
     log("群列表变动", payload)
     if (payload.updateType != 2) {
         updateGroups(payload.groupList).then();
diff --git a/src/ntqqapi/types/msg.ts b/src/ntqqapi/types/msg.ts
index 0cfc04a..1436cbd 100644
--- a/src/ntqqapi/types/msg.ts
+++ b/src/ntqqapi/types/msg.ts
@@ -98,7 +98,8 @@ export interface FileElement {
     "fileSha3"?: "",
     "fileUuid"?: "",
     "fileSubId"?: "",
-    "thumbFileSize"?: number
+    "thumbFileSize"?: number,
+    fileBizId?: number
 }
 
 export interface SendFileElement {
diff --git a/src/onebot11/constructor.ts b/src/onebot11/constructor.ts
index 2d50be7..27205e1 100644
--- a/src/onebot11/constructor.ts
+++ b/src/onebot11/constructor.ts
@@ -275,7 +275,8 @@ export class OB11Constructor {
                 return new OB11GroupUploadNoticeEvent(parseInt(msg.peerUid), parseInt(msg.senderUin), {
                     id: element.fileElement.fileUuid,
                     name: element.fileElement.fileName,
-                    size: parseInt(element.fileElement.fileSize)
+                    size: parseInt(element.fileElement.fileSize),
+                    busid: element.fileElement.fileBizId || 0
                 })
             }
 
diff --git a/src/onebot11/event/notice/OB11GroupDecreaseEvent.ts b/src/onebot11/event/notice/OB11GroupDecreaseEvent.ts
index b94cba1..de14751 100644
--- a/src/onebot11/event/notice/OB11GroupDecreaseEvent.ts
+++ b/src/onebot11/event/notice/OB11GroupDecreaseEvent.ts
@@ -3,12 +3,12 @@ import {OB11GroupNoticeEvent} from "./OB11GroupNoticeEvent";
 export class OB11GroupDecreaseEvent extends OB11GroupNoticeEvent {
     notice_type = "group_decrease";
     sub_type: "leave" | "kick" | "kick_me" = "leave";  // TODO: 实现其他几种子类型的识别 ("leave" | "kick" | "kick_me")
-    operate_id: number;
+    operator_id: number;
 
     constructor(groupId: number, userId: number) {
         super();
         this.group_id = groupId;
-        this.operate_id = userId;  // 实际上不应该这么实现，但是现在还没有办法识别用户是被踢出的，还是自己主动退出的
+        this.operator_id = userId;  // 实际上不应该这么实现，但是现在还没有办法识别用户是被踢出的，还是自己主动退出的
         this.user_id = userId;
     }
 }
diff --git a/src/onebot11/event/notice/OB11GroupUploadNoticeEvent.ts b/src/onebot11/event/notice/OB11GroupUploadNoticeEvent.ts
index 4aecd66..e487efd 100644
--- a/src/onebot11/event/notice/OB11GroupUploadNoticeEvent.ts
+++ b/src/onebot11/event/notice/OB11GroupUploadNoticeEvent.ts
@@ -3,7 +3,8 @@ import {OB11GroupNoticeEvent} from "./OB11GroupNoticeEvent";
 export interface GroupUploadFile{
     id: string,
     name: string,
-    size: number
+    size: number,
+    busid: number,
 }
 
 export class OB11GroupUploadNoticeEvent extends OB11GroupNoticeEvent {
diff --git a/src/version.ts b/src/version.ts
index 27c13c4..e570f95 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const version = "3.19.0"
\ No newline at end of file
+export const version = "3.19.1"
\ No newline at end of file